Obtaining the chi square value from a multigaussian fit

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Lorenzo Mattera
Lorenzo Mattera on 7 Aug 2017
Edited: José-Luis on 7 Aug 2017
I am using the Matlab fit function to fit data with several gaussian functions. It seems to work, I obtain the gaussian parameters but I cannot find the way to get also the chi square of the fit. Should I calculate but myself? No way to have it in the output? Thanks for any suggestion Renzo

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José-Luis
José-Luis on 7 Aug 2017
Edited: José-Luis on 7 Aug 2017
Provided you have the right toolbox:
https://se.mathworks.com/help/stats/chi2gof.html
Otherwise, use the residuals of your fit and do the test yourself.

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